21. if two angles are vertical angles, then which of the following is not true?
a. the angles...
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Mathematics, 19.10.2019 07:30 randall10
21. if two angles are vertical angles, then which of the following is not true?
a. the angles are congruent
b. the angles share a common vertex
c. the angles lie in the same plane
d. the angles share a common side
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